7th grade math help Ms. Sue
posted by Delilah .
3.
Which of the following equations has an infinite number of solutions? (1 point)
3x – 3 = –4x
2y + 4 – y = 16
7x + 5 = 4x + 5 + 3x
6y – 2 = 2(y – 1)
5.
Write an inequality for the word sentence: k is less than zero. (1 point)
k > 0
k ≥ 0
k < 0
k ≤ 0
Solve the inequality.
6.
q – 12 ≥ –13 (1 point)
q ≥ 1
q ≥ –1
q ≥ 25
q ≥ –25
7.
12p < 96 (1 point)
p < 8
p < 108
p < 84
p < –8
8.
g/–5 < –18 (1 point)
g < –23
g > –90
g > 90
g < 90
9.
The result of 6 subtracted from a number n is at least 2. What numbers are solutions? (1 point)
n – 2 > 6; n > 8
n – 6 ≥ 2; n ≥ 8
n + 6 ≥ 2; n ≤ 4
n + 6 ≥ 2; n ≥ 4
My answers:
3. 7x + 5 = 4x + 5 + 3x
5. k < 0
6. q ≥ –1
7. p < 8
8. g > –90
9. n – 6 ≥ 2; n ≥ 8

7th grade math help Ms. Sue 
Steve
3. ok
5. ok
6. ok
7. ok
8. not quite. You changed the direction ok, but you actually have to do the multiplication. (5)(18) = 90, so g>90
If you just multiply by 5, then you are left with g < 90
9. ok
pretty good work!
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